The mirror image is alot easier with air con mate...

Yes you remove the red part off the kidney box and blank the inlet plenum.

The drain to the sump is under the turbo , the knock sensor wiring harness mounts to the plug in the block, remove the harness bolt and then you will see the erm 19mm it think plug under it.

Buy a fitting kit from whoever you get the tank from, and they come with all connections and pipes and instructions.